X470 Gaming K4 won't boot NVME after BIOS update

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   I have a Fatal1ty X470 Gaming K4 with Ryzen 7 2700X that was running BIOS 1.40.  The boot drive is a 1TB Crucial P3 NVMe and everything was working fine.  I was considering updating from Windows 10 to Windows 11, so I thought I would get the BIOS up to date.  I read all the descriptions and landed on BIOS 3.40 as the latest I could upgrade to, as my CPU is Pinnacle Ridge model.  I first flashed 1.90 and that seemed to be fine with the PC booting up like normal.  After flashing 3.40, the system just hangs on the splash screen and I can't even get into the BIOS.  After reading a bit, I saw that there could be NVMe compatibility issues, so I removed the boot drive and the system would let me get into the BIOS.  The BIOS instructions state that older versions cannot be flashed after flashing 3.40.  Do I have any options at this point to get my machine booting again with my NVMe boot drive back in the machine?
Thanks!

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mikesheadroom Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 hours 52 minutes ago Status: Offline Points: 20	Post Options Post Reply Quote mikesheadroom Report Post Thanks(0) Quote Reply Topic: X470 Gaming K4 won't boot NVME after BIOS update Posted: 21 hours 31 minutes ago at 3:24am
	I have a Fatal1ty X470 Gaming K4 with Ryzen 7 2700X that was running BIOS 1.40. The boot drive is a 1TB Crucial P3 NVMe and everything was working fine. I was considering updating from Windows 10 to Windows 11, so I thought I would get the BIOS up to date. I read all the descriptions and landed on BIOS 3.40 as the latest I could upgrade to, as my CPU is Pinnacle Ridge model. I first flashed 1.90 and that seemed to be fine with the PC booting up like normal. After flashing 3.40, the system just hangs on the splash screen and I can't even get into the BIOS. After reading a bit, I saw that there could be NVMe compatibility issues, so I removed the boot drive and the system would let me get into the BIOS. The BIOS instructions state that older versions cannot be flashed after flashing 3.40. Do I have any options at this point to get my machine booting again with my NVMe boot drive back in the machine? Thanks!